Means for increasing power



March 19,1935. J QUINN 1,995,010

MEANS FOR INCREASING POWER Filed Alig. 26, 1935 Patented Mar. 19, 1935 I Lg fifl lfl UNITED STATES PATENT OFFICE MEANS FOR INCREASING POWER Joseph M. Quinn, Philadelphia, Pa.

Application August 26, 1933, Serial No. 686,976

2 Claims. (01. 74-572) This invention relates to devices for increasof the bolts 13. The opposite end of the spring is ing power of rotating bodies such as fly wheels, flattened as at 16 and is received within a bifur bicycle wheels and the like and particularly to cated portion 1'7 of a weight 18 which has a the provision of weights mounted upon the wheel square passage 19 through it through which the and adapted to be forced outward by centrifugal rod passes. Each weight is freely, slidable 5 force as the wheel rotates to thereby increase the upon the rod. inertia of the wheel and decrease the power The springs 14 tend to urge the weights innecessary to be applied thereto. Ward while centrifugal force, of course would One of the objects of the invention is to proact to urge th m u ward ins h io f 10 vide a very simple device which may be readily h p Mounted on each d is a ub 10 applied to bicycle wheels, fly wheels, or other ump 20 upp ed ye 0011 spring this 0011 power wheels which consists of a plurality of spring bearing against the inner d of e guide rods adapted to be readily connected to sprin 14 or a a st t corresponding t 3. the rim of a wheel and to the hub of a wheel, This acts to take up any shock'due to the sudden theseguide rods carrying thereon sliding weights inward movement of the weights when the 15 provided with springs whereby the weights will wheel ceases to revolve. be retracted as the speed decreases and whereby e Operation of t s han sm Will be readthe weights will be thrown outward to increase ily und s m y he We hts a e in the the inertia of the rotating body as the speed position shown in Figure lbilt as the Wheel s 20 increases. rotated, the weights will move further out from 20 Other objects will appear in the course of the the cent r until at a h sp th W hts will following description. be on theextremeouter ends of the rods and My invention is illustrated in the aecom anythese weights will, of course, assist the inertia of ing drawing, wherein: the rapidly revolving wheel and thus reduce the 25 Figure 1 is a side elevation in dotted line of a ener y n ssa y be a p d to the w I and 25 fly-wheel showing my invention applied thereto secure an increase of power. in full lines, the ps d u r umpers being While I have illustrated this as being applied in section; to a bicycle wheel, I do not wish to be limited Figure 2 1s a sectional view on the line 22 of t t as it i ht b applied to fly wheels or Figure 1; power wheels of various kinds. 30

Figure 3 is a section on the line 33 of Fig- I claim:

We 1. The combination with a wheel having a rim Referring to the drawing, it will be seen that I and a hub of t guide rods, each tt h d at provide in the example illustrated two guide rods its outer end to the rim of the wheel and at its 10, each Of which is connected at its outer end inner-end engaging partially around the hub, the 35 to the rim of the wheel at diametrically opposite rods extending approximately in diametrically Demts n t o to t e Ot r guide red, the different directions, means clamping said rods inner d o each guide d 10 being Operatively upon the hub, means for attaching the rods to engaged with the hub of the wheel so that the th i wei hts slidingly mounted upon the 40 guide rods W a e W h the Whe To this rods, and nearly circular leaf springs attached 40 d, the Outer d of each guide red s provided at their inner ends to the rods and at their outer wi h a ip designated n r lly 11 whi h ar h s ends being pivotally engaged with the weights, over the rim a of the wheel A and may be atthe springs acting to urge the weights inward but tached thereto by rivets, screws or in any other permitting outward movement of the weights suitable manner. The inner end of each rod 10, under centrifugal force, and cushioning bumpers 45 which rod is preferably square, is formed with mounted adjacent the inner ends of the rods and the arcuate oiTset portion 12 to fit over the hub against which the weights impact under the B of the wheel. The inner ends of the rods 10 action of the springs. extend in approximately parallel relation and 2. The combination with a wheel having a. rim are held upon the hub of the wheel by the bolts and a hub, of two guide rods, each attached at 50 13 passing through the rods on each side of the its outer end to the rim of the wheel and at its arcuate portions thereof. inner end being concavely curved to engage par- Associated with each rod is a normally nearly tially around the hub, the rods extending ap-. circular spring 14, the inner end of which is proximately in diametrically different directions, angularly bent as at 15 for the passage of one means clamping said rods upon the hub, means for attaching the rods to the rim, weights slidingly mounted upon the rods, and nearly circular leaf springs attached at their inner ends to the rods and at their outer ends being pivotally engaged with the weights, the springs acting to urge the weights inward but permitting outward movement of the weights under centrifugal force, and cushioning bumpers mounted adjacent the 2' I c r 1,995,010

inner ends of the rods and against which the weights impact under the action of the springs, each bumper comprising an elastic block slidingly mounted on the rod, and a coiled compression spring disposed behind the block and resisting its inward movement.

JOSEPH M. QUINN. 

